GB2417381A - Dynamic range compression preserving local image contrast - Google Patents

Dynamic range compression preserving local image contrast Download PDF

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Publication number
GB2417381A
GB2417381A GB0418674A GB0418674A GB2417381A GB 2417381 A GB2417381 A GB 2417381A GB 0418674 A GB0418674 A GB 0418674A GB 0418674 A GB0418674 A GB 0418674A GB 2417381 A GB2417381 A GB 2417381A
Authority
GB
United Kingdom
Prior art keywords
image
area
intensity
amplification coefficient
amplification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0418674A
Other languages
English (en)
Other versions
GB0418674D0 (en
Inventor
Apical Limited
Vyacheslav Chesnokov
Original Assignee
Apical Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Apical Ltd filed Critical Apical Ltd
Priority to GB0418674A priority Critical patent/GB2417381A/en
Publication of GB0418674D0 publication Critical patent/GB0418674D0/en
Priority to EP05773169.7A priority patent/EP1789921B1/fr
Priority to PCT/GB2005/003261 priority patent/WO2006018658A2/fr
Priority to JP2007526574A priority patent/JP2008511048A/ja
Priority to US11/660,485 priority patent/US8160387B2/en
Publication of GB2417381A publication Critical patent/GB2417381A/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration by the use of histogram techniques
    • G06T5/94—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30144—Printing quality
GB0418674A 2004-08-20 2004-08-20 Dynamic range compression preserving local image contrast Withdrawn GB2417381A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0418674A GB2417381A (en) 2004-08-20 2004-08-20 Dynamic range compression preserving local image contrast
EP05773169.7A EP1789921B1 (fr) 2004-08-20 2005-08-19 Procede de traitement d'images et logiciel informatique utilise pour le traitement d'images
PCT/GB2005/003261 WO2006018658A2 (fr) 2004-08-20 2005-08-19 Procede de traitement d'images et logiciel informatique utilise pour le traitement d'images
JP2007526574A JP2008511048A (ja) 2004-08-20 2005-08-19 画像処理方法、及び画像処理用コンピュータソフトウェア
US11/660,485 US8160387B2 (en) 2004-08-20 2005-08-19 Image processing method and computer software for image processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0418674A GB2417381A (en) 2004-08-20 2004-08-20 Dynamic range compression preserving local image contrast

Publications (2)

Publication Number Publication Date
GB0418674D0 GB0418674D0 (en) 2004-09-22
GB2417381A true GB2417381A (en) 2006-02-22

Family

ID=33042425

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0418674A Withdrawn GB2417381A (en) 2004-08-20 2004-08-20 Dynamic range compression preserving local image contrast

Country Status (5)

Country Link
US (1) US8160387B2 (fr)
EP (1) EP1789921B1 (fr)
JP (1) JP2008511048A (fr)
GB (1) GB2417381A (fr)
WO (1) WO2006018658A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1976273A2 (fr) 2007-03-29 2008-10-01 Nikon Corporation Appareil de traitement d'image, appareil d'imagerie et programme de traitement d'image

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US7775428B2 (en) * 2005-05-06 2010-08-17 Berkun Kenneth A Systems and methods for generating, reading and transferring identifiers
US7885469B2 (en) 2006-05-22 2011-02-08 Microsoft Corporation Encoded high dynamic range textures
US7636098B2 (en) 2006-09-28 2009-12-22 Microsoft Corporation Salience preserving image fusion
JP5148989B2 (ja) 2007-12-27 2013-02-20 イーストマン コダック カンパニー 撮像装置
US8391634B1 (en) * 2009-04-28 2013-03-05 Google Inc. Illumination estimation for images
US8798393B2 (en) 2010-12-01 2014-08-05 Google Inc. Removing illumination variation from images
JP5814698B2 (ja) 2011-08-25 2015-11-17 オリンパス株式会社 自動露光制御装置、制御装置、内視鏡装置及び内視鏡装置の作動方法
CN104732503B (zh) * 2013-12-24 2017-10-24 中国科学院深圳先进技术研究院 图像去雾增强方法和装置
JP6309777B2 (ja) 2014-02-10 2018-04-11 シナプティクス・ジャパン合同会社 表示装置、表示パネルドライバ、及び、表示パネルの駆動方法
GB201410635D0 (en) 2014-06-13 2014-07-30 Univ Bangor Improvements in and relating to the display of images
US10607525B2 (en) 2015-05-19 2020-03-31 Irystec Software Inc. System and method for color retargeting
CN106504282B (zh) * 2016-11-23 2019-09-17 浙江大华技术股份有限公司 一种视频遮挡检测方法和装置
DE112018001730T5 (de) * 2017-03-31 2020-01-09 Hoya Corporation Elektronisches Endoskopsystem
US20230032323A1 (en) * 2021-07-28 2023-02-02 Apical Limited Image processing method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2061660A (en) * 1979-10-17 1981-05-13 Philips Electronic Associated Modifying the contrast of an image
US4754332A (en) * 1985-10-07 1988-06-28 Victor Hasselblad Ab Device for presenting and selectively altering the brightness of a digitized image
EP0888004A2 (fr) * 1997-06-27 1998-12-30 Pioneer Electronic Corporation Appareil de contrÔle de la luminosité
US6650774B1 (en) * 1999-10-01 2003-11-18 Microsoft Corporation Locally adapted histogram equalization

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3270609B2 (ja) 1993-01-19 2002-04-02 松下電器産業株式会社 画像表示方法およびその装置
JP3094899B1 (ja) 1996-03-13 2000-10-03 ダイキン工業株式会社 デジタル圧縮データ部分編集方法およびその装置
JP3902894B2 (ja) * 1999-10-15 2007-04-11 理想科学工業株式会社 画像処理装置及び画像処理方法
US6760484B1 (en) 2000-01-26 2004-07-06 Hewlett-Packard Development Company, L.P. Method for improved contrast mapping of digital images
US6633684B1 (en) * 2000-07-07 2003-10-14 Athentech Technologies Corp. Distortion-free image contrast enhancement
US6807299B2 (en) * 2001-03-10 2004-10-19 Hewlett-Packard Development Company, L.P. Method for contrast mapping of digital images that converges on a solution
GB0110748D0 (en) * 2001-05-02 2001-06-27 Apical Ltd Image enhancement methods and apparatus therefor
WO2002103580A2 (fr) * 2001-06-15 2002-12-27 Massachusetts Institute Of Technology Estimation adaptative de moyennes et normalisation de donnees
GB0120246D0 (en) * 2001-08-20 2001-10-10 Crabtree John C R Image processing method
GB0227946D0 (en) * 2002-11-29 2003-01-08 Univ East Anglia Signal enhancement
US7652808B2 (en) * 2003-12-11 2010-01-26 Xerox Corporation Spatially varying luminance compression gamut mapping system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2061660A (en) * 1979-10-17 1981-05-13 Philips Electronic Associated Modifying the contrast of an image
US4754332A (en) * 1985-10-07 1988-06-28 Victor Hasselblad Ab Device for presenting and selectively altering the brightness of a digitized image
EP0888004A2 (fr) * 1997-06-27 1998-12-30 Pioneer Electronic Corporation Appareil de contrÔle de la luminosité
US6650774B1 (en) * 1999-10-01 2003-11-18 Microsoft Corporation Locally adapted histogram equalization

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1976273A2 (fr) 2007-03-29 2008-10-01 Nikon Corporation Appareil de traitement d'image, appareil d'imagerie et programme de traitement d'image
EP1976273A3 (fr) * 2007-03-29 2008-12-24 Nikon Corporation Appareil de traitement d'image, appareil d'imagerie et programme de traitement d'image
US7978233B2 (en) 2007-03-29 2011-07-12 Nikon Corporation Image processing apparatus with correcting section for gradation correction

Also Published As

Publication number Publication date
WO2006018658A3 (fr) 2006-06-01
WO2006018658A2 (fr) 2006-02-23
US8160387B2 (en) 2012-04-17
EP1789921A2 (fr) 2007-05-30
JP2008511048A (ja) 2008-04-10
GB0418674D0 (en) 2004-09-22
EP1789921B1 (fr) 2018-05-23
US20080253681A1 (en) 2008-10-16

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)